Function TestOptions

protocol/txvm/vm_test.go:157–241

(t *testing.T)

}

func TestOptions(t *testing.T) {
	const startLimit int64 = 1000

	cases := []struct {
		name  string
		src   string
		items []string // represents the objects on top of the stack as the program progresses
		cost  int64
	}{
		{
			name: "log ops",
			src:  "10 log 0 peeklog log 'blockchainid' 8 nonce finalize",
			items: []string{
				"{'Z', 10}",
				"{'Z', 0}",
				"{'T', {'L', x'0000000000000000000000000000000000000000000000000000000000000000', 10}}",
				"{'S', 'blockchainid'}",
				"{'Z', 8}",
				"{'V', 0, x'0000000000000000000000000000000000000000000000000000000000000000', x'51a2a5efebb78d8907c97c07f807ef8b72a0482a959224cfd1555103c6195cd6'}",
			},
			cost: 178,
		},
		{
			name: "basic math",
			src:  "10 2 add 3 div 3 mod 2 gt not verify 'id' 10 nonce finalize",
			items: []string{
				"{'Z', 10}",
				"{'Z', 2}",
				"{'Z', 12}",
				"{'Z', 3}",
				"{'Z', 4}",
				"{'Z', 3}",
				"{'Z', 1}",
				"{'Z', 2}",
				"{'Z', 0}",
				"{'Z', 1}",
				"{'S', 'id'}",
				"{'Z', 10}",
				"{'V', 0, x'0000000000000000000000000000000000000000000000000000000000000000', x'87f629d8630208e6756a515c60335d75da8dce70eadcccd58a937a70b1e7eaa3'}",
			},
			cost: 162,
		},
	}
	for _, c := range cases {
		t.Run(c.name, func(t *testing.T) {
			prog, err := asm.Assemble(c.src)
			if err != nil {
				t.Fatal(err)
			}

			var runlimit int64
			i := 0

			var b bytes.Buffer
			id, err := txvm.Validate(prog, 3, startLimit,
				txvm.BeforeStep(func(v *txvm.VM) {
					compareItems(t, v.StackItem(v.StackLen()-1).String(), c.items[i])
					i++